Irreducible polynomial proof
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Prove that X^n-1+X^n-2+........+X+1 is irreducible over Z iff n is prime.
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Solution Summary
This provides an example of proving a polynomial is irreducible.
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Please see the attached file.
Prove that is irreducible over Z iff n is prime.
Proof:
Let
For n=2, we have f(x)=x+1, clearly is irreducible.
Now we suppose n>2. Since n given as prime, n must be odd ...
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